<template>
  <h2>child1组件</h2>
</template>
<script lang="ts">
import { defineComponent } from "vue";
import type { PropType } from "vue";
import type { objType } from "../options.vue";
export default defineComponent({
  props: {
    num: Number,
    obj: Object as PropType<objType>,
  },
});
</script>
